short interspersed elements


Also found in: Medical.

short interspersed elements

[′shȯrt ‚in·tər‚spərst ′el·ə·məns]
(genetics)
Families of short deoxyribonucleic acid sequences that are individually inserted abundantly throughout the genome in mammals and other taxons; the 300-base-pair Alu short interspersed elements make up about 5% of the human genome. Abbreviated SINES.
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References in periodicals archive ?
Geneticists and biologists from Europe, the US, and Brazil describe the repetitive content of eukaryotic genomes and the impact on genome structure, function, and evolution; the birth-and-death model as the mechanism guiding long-term evolution of multigene families; centromeres; telomere metabolism and its dynamics, with an emphasis on human biology; Drosophilia telomeres; satellite-DNA mediated effects on genome regulation; the evolutionary dynamics of transposable elements in eukaryotic genomes; short interspersed elements (SINEs) in genome evolution; unstable microsatellite repeats in the rapid evolution of coding and regulatory sequences; and chromosomal distribution and evolution of repetitive DNA in fish.
Determination of the phylogenetic relationships among Pacific salmonids by using short interspersed elements (SINEs) as temporal landmarks of evolution.
Alu sequences are short interspersed elements that are distributed widely throughout the human genome (10).

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